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/*
Copyright (c) 2000, 2010, Oracle and/or its affiliates
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2 of the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1335 USA */
#include "mysys_priv.h"
#include <m_string.h>
/* Returns full load-path for a file. to may be = path */
/* if path is a hard-path return path */
/* if path starts with home-dir return path */
/* if path starts with current dir or parent-dir unpack path */
/* if there is no path, prepend with own_path_prefix if given */
/* else unpack path according to current dir */
char * my_load_path(char * to, const char *path,
const char *own_path_prefix)
{
char buff[FN_REFLEN+1];
const char *from= buff;
int is_cur;
DBUG_ENTER("my_load_path");
DBUG_PRINT("enter",("path: %s prefix: %s",path,
own_path_prefix ? own_path_prefix : ""));
if ((path[0] == FN_HOMELIB && path[1] == FN_LIBCHAR) ||
test_if_hard_path(path))
from= path;
else if ((is_cur=(path[0] == FN_CURLIB && path[1] == FN_LIBCHAR)) ||
(is_prefix(path,FN_PARENTDIR)) ||
! own_path_prefix)
{
if (is_cur)
is_cur=2; /* Remove current dir */
if (! my_getwd(buff,(uint) (FN_REFLEN-strlen(path)+is_cur),MYF(0)))
{
size_t length= strlen(buff);
(void) strmake(buff + length, path+is_cur, FN_REFLEN - length);
}
else
from= path; /* Return org file name */
}
else
(void) strxnmov(buff, FN_REFLEN, own_path_prefix, path, NullS);
strmake(to, from, FN_REFLEN-1);
DBUG_PRINT("exit",("to: %s",to));
DBUG_RETURN(to);
} /* my_load_path */
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